ZIP Code 53029 Hardiness Zones and Climate Data

ZIP Code 53029 - Hartland Wisconsin is in 2023 USDA Hardiness Zones 5a (-20°F to -15°F) and 5b (-15°F to -10°F)

Additional Gardening Related Climate Data for ZIP Code 53029 - Hartland, Wisconsin

2023 Hardiness Zone:Zone 5a: -20°F to -15°F
Zone 5b: -15°F to -10°F
2012 Hardiness Zone:Zone 5a: -20°F to -15°F
1990 Hardiness Zone:Zone 5a: -20F to -15F
Average First Frost Date:Oct. 1 - Oct. 10
Average Last Frost Date:May 11 - May 20
Koppen-Geiger Climate Zone:Dfa - Humid Continental Hot Summers
Ecoregion:53b - Kettle Moraines
Heat Zone Days: Rare Over 86°F

Annual Climate Data for ZIP Code 53029 - Hartland, WI

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)8132435475661595039271536
Avg Max Temp (°F)25304255687882797159433055
Avg Precip (In.)1.361.22.093.323.073.853.974.383.542.562.431.7333.51

Source Data:

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